# SDR CALA2026020613621

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2026
- Submitted: February 6, 2026
- Operation: Air carrier
- Aircraft: [N222UA](https://openairdocs.org/aircraft/N222UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30553
- Aircraft time: 91,581 hours, 12,226 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Detector
- Part number: 473482
- Condition: Faulted
- Location: Nr 2 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026020613621

## Discrepancy

STATUS MSGS OVERHEAT CIRCUIT R1 & R2 FIRE LOOP 1/2 ENG R T/S REF FIMS 26-11 TASK 811 AND 26-11 TASK 809. FOUND NR 2 ENG DET 2: M26005 (LOWER AFT ENG) BROKEN OFF AT TERMINAL END ATTACH POINT AND DET 1: M26006 MISSING HARDWARE. REQUIRES DETECTOR 2 M26005 REPLACEMENT AND DET 1 M26006 HARDWARE REPLACEMENT.  INSTALLED MISSING FASTENERS AND REPLACED FIRE LOOP #2 REF AMM 26-11-01-400-805-002. UP TO CHECKS. PERFORMED ENGINE FIRE DECTECTION OPERATIONAL TEST, TASK 26-11-00-710-801. TEST PASSED, NO STATUS MSGS PRESENT. PERFORMED ENGINE FIRE DECTECTION OPERATIONAL TEST, TASK 26-11-00-710-801. TEST PASSED, NO STATUS MSGS PRESENT.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.